From “Shameless” to playing the Joker, Cameron Monaghan has over a decade of experience under his belt. He talks about the film everyone should see, the advice he’d give his younger self, and why one should never assume anything about an audition.

Audiences know 9-year-old Giselle Eisenberg from “The Wolf of Wall Street” alongside Leonardo DiCaprio and “Danny Collins” with Al Pacino, but she really stole our hearts as Sophia on CBS’s “Life in Pieces.” She chats with Backstage about Season 2.